Welcome to the Worldwide Greathead family my One-Name Study - Sources 4
- [S20] Letters between Eileen Huby and Jan Cooper from 14 February 2001.
- [S73] Letters between John Birks and Jan Cooper from 28 July 2004.
- [S107] E-mails between Paul Dwerryhouse and Jan Cooper from 8 March 2005.
- [S335] Emails between Sara England and Jan Cooper from 9 May 2011.
- [S339] Emails between Olwyn Hart and Jan Cooper from 3 August 2011.
- [S341] E-mails between Emily Bianchi-Bazzi née Davies and Jan Cooper from 12 February 2003.
- [S344] E-mails between Penny Rowell and Jan Cooper from 6 January 2011.
- [S349] E-mails between Peter Lamb and Jan Cooper from 19 January 2007.
- [S531] E-mails between Albert George Usher and Jan Cooper from 15 January 2009.
- [S633] E-mails between Judith Hochkiss and Jan Cooper from 28 March 2011 title.
- [S805] Letters between Robin Verrill and Jan Cooper from 30 December 2000.
- [S4791] Emails between Jean Emily Makin née Geathead and Jan Cooper from 13 March 2003.
- [S6973] Emails between Karen Wilson and Jan Cooper from 20 November 2011.
- [S11255] Emails between Richard Curchin and Jan Cooper from 16 March 2004.
- [S11751] Emails between Nicky Huitson and Jan Cooper from 8 November 2005.
- [S14719] Research into "in laws" family.
- [S19269] E-mails between Cris B Greathead and Jan Cooper from 19 March 2011.
- [S19464] Emails between William Francis Newman and Jan Cooper from 10 December 2007.
- [S20230] Emails between Carolyn Foley née Floyd and Jan Cooper from 4 January 2008.
- [S21345] Emails between Deborah Tate née McDonald and Jan Cooper from 2 September 2008.
- [S23063] E-mails between Tony Laverick and Jan Cooper from 11 September 2005.
- [S40009] Www.scotlandspeople.gov.uk.
- [S40021] Commonwealth Graves website.
- [S45001] General Register Office, Information taken from Birth certificate of daughter.
- [S47001] General Register Office, Information taken from Death certificate of daughter.